diff options
Diffstat (limited to 'src/Compilation.zig')
| -rw-r--r-- | src/Compilation.zig | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/Compilation.zig b/src/Compilation.zig index 03d7962ccc..353a2f1ca3 100644 --- a/src/Compilation.zig +++ b/src/Compilation.zig @@ -1165,9 +1165,6 @@ pub fn create(gpa: Allocator, options: InitOptions) !*Compilation { break :blk false; } else if (options.c_source_files.len == 0) { break :blk false; - } else if (options.target.os.tag == .windows and link_libcpp) { - // https://github.com/ziglang/zig/issues/8531 - break :blk false; } else if (options.target.cpu.arch.isRISCV()) { // Clang and LLVM currently don't support RISC-V target-abi for LTO. // Compiling with LTO may fail or produce undesired results. @@ -1793,6 +1790,7 @@ pub fn create(gpa: Allocator, options: InitOptions) !*Compilation { .headerpad_size = options.headerpad_size, .headerpad_max_install_names = options.headerpad_max_install_names, .dead_strip_dylibs = options.dead_strip_dylibs, + .force_undefined_symbols = .{}, }); errdefer bin_file.destroy(); comp.* = .{ @@ -1943,6 +1941,10 @@ pub fn create(gpa: Allocator, options: InitOptions) !*Compilation { for (mingw.always_link_libs) |name| { try comp.bin_file.options.system_libs.put(comp.gpa, name, .{}); } + + // LLD might drop some symbols as unused during LTO and GCing, therefore, + // we force mark them for resolution here. + try comp.bin_file.options.force_undefined_symbols.put(comp.gpa, "_tls_index", {}); } // Generate Windows import libs. if (target.os.tag == .windows) { |